The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2014
Filed:
Jan. 17, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Kazuhito Wakabayashi, Mishima, JP;
Masayoshi Shimamura, Yokohama, JP;
Yasutaka Akashi, Yokohama, JP;
Satoshi Otake, Numazu, JP;
Takuma Matsuda, Susono, JP;
Minoru Ito, Susono, JP;
Atsushi Noguchi, Numazu, JP;
Hironori Mori, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a developer carrying member that can stably provide a negatively chargeable developer with triboelectric charge and whose surface hardly wears even after its long-term use. The developer carrying member is a developer carrying member, comprising: a substrate; and a surface layer, wherein: the surface layer contains a matrix resin and electro-conductive particles; and the matrix resin contains a crosslinked product of a polymer chain having units represented by the following structural formula (1) and the following structural formula (2), and a polymer chain represented by the following structural formula (3).